AHA: Results 'preliminary'
The American Heart Association (AHA) called the study results "preliminary" and issued a statement urging caution because no long-term studies have yet been done on red yeast rice's safety and efficacy.
In one study, cholesterol levels in 233 elderly Americans dropped by approximately 16 percent after taking red yeast rice supplements for eight weeks, according to the study authors.
Levels of high-density lipoprotein cholesterol (HDL), or "good" cholesterol, increased by 15 percent. Levels of low-density lipoprotein cholesterol (LDL), or "bad" cholesterol, decreased by 21 percent.
Before treatment, the study subjects had mild to moderately high cholesterol; their average cholesterol level was 242 mg/dL (milligrams per deciliter of blood).
According to the AHA a person's total blood cholesterol should be under 200 mg/dL. Anything over 240 mg/dL is considered a high blood cholesterol level.
The study was conducted by 12 doctors in different cities. One of the 12 was at a university, the others were not affiliated with a university.
Second study conducted in China
In the second study, conducted in China, cholesterol levels of 70 elderly people with high cholesterol levels dropped by approximately 19 percent when they took red yeast rice products.
But according to Dr. Robert H. Eckel, chairman of the AHA's Nutrition Committee and professor of medicine at the University of Colorado Health Sciences Center in Denver, cholesterol-lowering drugs currently on the market can decrease cholesterol levels by 25-55 percent. He added that these drugs are "well-tolerated, safe, and we've had experience with them for well over a decade."
Eckel said he would not treat a patient with red yeast rice "until we have a better idea how to dose it and its safety."
What is Red Yeast Rice?
MOnascus purpureus Went is a supplement made from rice fermented in red yeast. Chinese cooks add red yeast rice to some dishes, such as Peking Duck and spareribs, to achieve a red color.
According to the product manufacturer, the rice has several natural properties that help lower cholesterol, including chemicals statins.
The supplements have a higher concentration of red yeast rice than one would find in foods, according to Dr. James Rippe, one of the co-authors of the U.S. red yeast rice study.
Rippe said it's difficult to quantify exactly how much more concentrated the supplement is compared to foods, but he said the supplements are "consistent with" supplements that have been used by in Chinese herbal medicine for thousands of years.
In the studies, red yeast rice had no side effects, except for a few cases of flatulence.
Last year, the U.S. Food and Drug Administration banned the imports of red yeast rice from China, saying it was a drug and not a supplement. But in a court ruling last month, a federal judge in Salt Lake City, Utah, reversed the decision, and now red yeast rice is being marketed in the United States.
Product availability
Currently, the only quality red yeast rice product is available through numerous direct sales avenues. Retail price about 1.33 per day.
For more information on red yeast rice or for ordering red yeast rice, please e-mail me at Aquadoc@pol.net.
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